*PLEASE NOTE* This is an airsoft mask. NOT an actual gas mask! Item number: M50 - Name: Anti gas mask - Material: shock resistance high strength engineering plastic - Color: Black - Type: Full Face - Outdoor Activities: airsoft - Weight: 850g - Dimension: 21.1 x 17.8 x 12 (L x W x H) cm - Each standard PC-proof thick lenses, transparent color, black, one each - Elastic band adjusts to fit the state, like the press - All using the new fast adjustment buckle - In the worn state, can be easily adjusted - Each comes standard with two canisters mouth cover - Distribution forehead cushioning, selectively use - Comes standard with two "canisters" no anti-virus functions, internal circulation fan perspiration demisting systems (requires two AA batteries) - Every eight minutes to turn off automatically or manually shut down